Heating channel



FIG. 1 is a perspective of a heating channel according to our design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view thereof in the context of a dump body.

The broken lines in the figures correspond to portions of the heating channel or environment thereof that form no part of the claimed design. 

CLAIM The ornamental design for a heating channel, as shown and described. 